Question

Question: The percent concentration Poisonous gas in a room is at 45%. An exhaust system is being used to clear the poisonous gas. The exhaust system fans are decreasing the concentration exponentially by 5% each hour. The area cannot be entered when the concentration is above 50%.

Part A: Write an exponential function concentration of gas as a function of time. (Hint: use 45 Not .45)

Part B: Determine an inequality that could be used to express the number of hours, t, for which the room is safe to enter.

Part C: Solve the inequality on a graph.
Then tell when it will be safe to enter the room.

If your amazing in mathematics (Algebra 2) please help me and explain to me how to do this problem.

Answer 1

• Carbon capture and storage (CCS) is broadly recognised as having the potential to play a key role in meeting climate change targets, delivering low carbon heat and power, decarbonising industry and, more recently, its ability to facilitate the net removal of CO2 from the atmosphere. However, despite this broad consensus and its technical maturity, CCS has not yet been deployed on a scale commensurate with the ambitions articulated a decade ago. Thus, in this paper we review the current state-of-the-art of CO2 capture, transport, utilisation and storage from a multi-scale perspective, moving from the global to molecular scales. In light of the COP21 commitments to limit warming to less than 2 °C, we extend the remit of this study to include the key negative emissions technologies (NETs) of bioenergy with CCS (BECCS), and direct air capture (DAC). Cognisant of the non-technical barriers to deploying CCS, we reflect on recent experience from the UK's CCS commercialisation programme and consider the commercial and political barriers to the large-scale deployment of CCS. In all areas, we focus on identifying and clearly articulating the key research challenges that could usefully be addressed in the coming decade.

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